Home / 3,904.14-5,388.30-2,225.82

Finding the Fourth Proportional to 3,904.14, 5,388.30 and 2,225.82

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Solution

The fourth proportional to 3,904.14, 5,388.30 and 2,225.82 is: 3,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.14 : 5,388.30 = 2,225.82 : x
  2. Step 2: Convert to fraction form
    3,904.14/5,388.30 = 2,225.82/x
  3. Step 3: Cross multiply
    3,904.14x = 5,388.30 × 2,225.82
  4. Step 4: Simplify right side
    3,904.14x = 11,993,385.91
  5. Step 5: Solve for x
    x = 11,993,385.91/3,904.14
  6. Step 6: Final answer
    x = 3,071.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.